diff --git a/compiler/fir/tree/src/org/jetbrains/kotlin/fir/types/ConeIntegerLiteralTypeImpl.kt b/compiler/fir/tree/src/org/jetbrains/kotlin/fir/types/ConeIntegerLiteralTypeImpl.kt
index 6b5d58d20d8..904bb746241 100644
--- a/compiler/fir/tree/src/org/jetbrains/kotlin/fir/types/ConeIntegerLiteralTypeImpl.kt
+++ b/compiler/fir/tree/src/org/jetbrains/kotlin/fir/types/ConeIntegerLiteralTypeImpl.kt
@@ -34,7 +34,6 @@ class ConeIntegerLiteralConstantTypeImpl(
         return getApproximatedTypeImpl(expectedType)
     }
 
-    @OptIn(ExperimentalUnsignedTypes::class)
     companion object {
         fun create(
             value: Long,
diff --git a/compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/lower/loops/ProgressionType.kt b/compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/lower/loops/ProgressionType.kt
index 477d4d59de7..f772e718547 100644
--- a/compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/lower/loops/ProgressionType.kt
+++ b/compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/lower/loops/ProgressionType.kt
@@ -3,7 +3,6 @@
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 
-@file:OptIn(ExperimentalUnsignedTypes::class)
 
 package org.jetbrains.kotlin.backend.common.lower.loops
 
diff --git a/core/descriptors/src/org/jetbrains/kotlin/resolve/constants/PrimitiveTypeUtil.kt b/core/descriptors/src/org/jetbrains/kotlin/resolve/constants/PrimitiveTypeUtil.kt
index 07ce7a7ce6f..2a6107dbb13 100644
--- a/core/descriptors/src/org/jetbrains/kotlin/resolve/constants/PrimitiveTypeUtil.kt
+++ b/core/descriptors/src/org/jetbrains/kotlin/resolve/constants/PrimitiveTypeUtil.kt
@@ -24,7 +24,6 @@ internal fun KotlinType.minValue(): Long {
     }
 }
 
-@OptIn(ExperimentalUnsignedTypes::class)
 internal fun KotlinType.maxValue(): Long {
     return when {
         KotlinBuiltIns.isByte(this) -> Byte.MAX_VALUE.toLong()